#! /bin/bash
#
# © 2017 Ansgar Burchardt <ansgar@debian.org>
# License: GPL-2+
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.



# find-postgresql-version: () -> str
#   locate postgresql version for which both server and debversion
#   extension are installed.  exits with error if no version is found.
#   returns: version, e.g. "9.6"
find-postgresql-version() {
  local status
  for v in 15 14 13 12 11 10 9.6 9.4; do
    status=$(dpkg-query \
             -f'${db:Status-Status} ' \
             -W postgresql-${v} postgresql-${v}-debversion 2>/dev/null || :)
    if [ "${status}" = "installed installed " ]; then
      echo ${v}
      exit 0
    fi
  done
  echo "No PostgreSQL version with server and debversion extension found." >&2
  exit 1
}

pgversion=$(find-postgresql-version)
export DAK_INTEGRATION_TEST=1
if [ "${DAK_ROOT+x}" = "" ]
then
    export DAK_ROOT="$(cd $(dirname "${BASH_SOURCE}")/..; pwd)"
fi

# run-script-with-pg: (cmd, args...) -> ''
#   Run the given cmd (with optional arguments) with a postgres
#   virtual environment running.

run-script-with-pg()  {
    pg_virtualenv -v "${pgversion}" "$@"
}
